One of the many immune system functions is to protect
individuals from pathogens such as the...
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Biology
One of the many immune system functions is to protectindividuals from pathogens such as the influenza virus. Explain howinnate immunity (non-specific defense) and adaptive immunity eachrespond differently to exposure to influenza virus?
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Innate immune responses are nonspecific defense mechanisms thatrespond to an antigen immediately or within few hours They holdthe antigeninfection in check until the adaptive immune responsesare initiated Innate immunity acts as physical and chemicalbarrier against the pathogen and activates the adaptive immuneresponse through antigen presenting cells Influenza virus is aninfectious agent belonging to the Orthomyxoviridae familythat causes respiratory tract infections Out of the three mainspecies influenza A causes the most virulent infections inhumansInnate Immune response to thevirusInfluenza virus is an enveloped virus that contains a genomecomposed of 8 segments of negativesense ssRNA tightly surroundedby nucleoprotein NP Haemagglutinin HA and neuraminidase NAare the major viral glycoproteins detected by the antibodies Thisvirus enters the host humans through oralasal cavity and isfirst encountered by the mucus lining of the respiratoryepithelium If the virus gets through this
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